mkdir /tmp/labplot; cd /tmp/labplot wget http://download.fedora.redhat.com/pub/fedora/linux/releases/14/Everything/x86_64/os/Packages/LabPlot-1.6.0.2-8.fc12.x86_64.rpm http://download.fedora.redhat.com/pub/fedora/linux/releases/14/Everything/x86_64/os/Packages/LabPlot-doc-1.6.0.2-8.fc12.x86_64.rpm yum localinstall --nogpgcheck ./LabPlot-*
And voila!
As I said this operation requires the EPEL repo enabled for some packages (electronics-menu and liborigin) so make sure your system has it.